Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.= ἀδελφός, Hsch.:—member of a φράτρα: pl., those of the same φράτρα, clansmen, A.Eu.656, IG22.1237.9, al., freq. in Is. (v. infr.); σ᾽ ὁ πατὴρ εἰσήγαγ᾽ εἰς τοὺς φ. (which was done when the boy came of age), Ar.Av.1669, cf. Lys.30.2; “εἰς τοὺς γεννήτας καὶ φ. ἐγγραφείς” Is.7.43; “εἰσαγαγεῖν εἰς τοὺς φ.” Id.6.21; οὐκ ἐδέξαντο οἱ φ. ib.22; “γαμηλίαν τοῖς φράτερσιν εἰσφέρειν” Id.3.79; οὐκ ἔφυσε φράτερας, with a play on φραστῆρας (v. φραστήρ), he has not cut his citizen-teeth, is no true citizen, Ar.Ra.422, cf. Av.765 (troch.); φράτερες τριωβόλου, of the Athenian dicasts, Id.Eq.255 (troch.).

2. metaph., of birds, “φ. καὶ συγγενής” Ael.NA8.24. (φράτωρ, ορος (q.v.) is freq. found in codd., but is a later form acc. to Hdn.Gr.1.49, Eust.239.33; cogn. with Skt. bhrā´tar-, Lat. frater, Goth. brōpar, 'brother', etc.)